<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<script>
  var arr = []
  var arr2 = {
    zhangsan () {},
    lisi () {}
  }
  
  arr.push(() => {const name = '战三';const data = {}; data.name = name; data.age = 18; data.age = 20})
  arr.push(() => {const name = '战三';const data = {}; data.name = name; data.age = 18; data.age = 20})
  const arrString = arr.toString();
  console.log(arrString, arr2.toString())
  // 
  console.log((function xxxxxx (arg1, arg2) {  console.log(arg1, arg2); }).toString())
</script>
</body>
</html>